| 2022-08-06 | UFC on ESPN: Santos vs. Hill | Middleweight | Michał Oleksiejczuk def. Sam Alvey | TKO (punches) | 1 | 1:56 |
| 2022-02-05 | UFC Fight Night: Hermansson vs. Strickland | Light Heavyweight | Brendan Allen def. Sam Alvey | Submission (rear-naked choke) | 2 | 2:10 |
| 2021-08-28 | UFC on ESPN: Barboza vs. Chikadze | Middleweight | Wellington Turman def. Sam Alvey | Decision (split) (27–28, 28–27, 28–27) | 3 | 5:00 |
| 2021-04-10 | UFC on ABC: Vettori vs. Holland | Middleweight | Julian Marquez def. Sam Alvey | Technical Submission (rear-naked choke) | 2 | 2:07 |
| 2020-10-24 | UFC 254: Khabib vs. Gaethje | Light Heavyweight | Da Un Jung vs. Sam Alvey | Draw (split) (29–28, 28–29, 28–28) | 3 | 5:00 |
| 2020-05-09 | UFC 249: Ferguson vs. Gaethje | Light Heavyweight | Ryan Spann def. Sam Alvey | Decision (split) (29–28, 28–29, 29–28) | 3 | 5:00 |
| 2019-07-20 | UFC on ESPN: dos Anjos vs. Edwards | Light Heavyweight | Klidson Abreu def. Sam Alvey | Decision (unanimous) (30–27, 30–27, 29–28) | 3 | 5:00 |
| 2019-02-10 | UFC 234: Adesanya vs. Silva | Light Heavyweight | Jimmy Crute def. Sam Alvey | TKO (punches) | 1 | 2:49 |
| 2018-09-22 | UFC Fight Night: Santos vs. Anders | Light Heavyweight | Antônio Rogério Nogueira def. Sam Alvey | TKO (punches) | 2 | 1:00 |
| 2018-06-01 | UFC Fight Night: Rivera vs. Moraes | Light Heavyweight | Sam Alvey def. Gian Villante | Decision (split) (29–28, 28–29, 29–28) | 3 | 5:00 |
| 2018-02-24 | UFC on Fox: Emmett vs. Stephens | Light Heavyweight | Sam Alvey def. Marcin Prachnio | KO (punch) | 1 | 4:23 |
| 2017-10-21 | UFC Fight Night: Cowboy vs. Till | Catchweight | Ramazan Emeev def. Sam Alvey | Decision (unanimous) (30–27, 30–27, 30–27) | 3 | 5:00 |
| 2017-08-05 | UFC Fight Night: Pettis vs. Moreno | Middleweight | Sam Alvey def. Rashad Evans | Decision (split) (28–29, 29–28, 29–28) | 3 | 5:00 |
| 2017-04-22 | UFC Fight Night: Swanson vs. Lobov | Middleweight | Thales Leites def. Sam Alvey | Decision (unanimous) (30–27, 30–27, 30–27) | 3 | 5:00 |
| 2017-01-28 | UFC on Fox: Shevchenko vs. Peña | Middleweight | Sam Alvey def. Nate Marquardt | Decision (unanimous) (29–28, 29–28, 29–28) | 3 | 5:00 |
| 2016-11-05 | The Ultimate Fighter Latin America 3 Finale: dos Anjos vs. Ferguson | Middleweight | Sam Alvey def. Alex Nicholson | Decision (unanimous) (29–28, 29–28, 29–28) | 3 | 5:00 |
| 2016-08-27 | UFC on Fox: Maia vs. Condit | Middleweight | Sam Alvey def. Kevin Casey | TKO (punches) | 2 | 4:56 |
| 2016-07-13 | UFC Fight Night: McDonald vs. Lineker | Middleweight | Sam Alvey def. Eric Spicely | Submission (guillotine choke) | 1 | 2:43 |
| 2016-06-18 | UFC Fight Night: MacDonald vs. Thompson | Middleweight | Elias Theodorou def. Sam Alvey | Decision (unanimous) (29–28, 30–27, 30–27) | 3 | 5:00 |
| 2015-08-08 | UFC Fight Night: Teixeira vs. Saint Preux | Middleweight | Derek Brunson def. Sam Alvey | TKO (punches) | 1 | 2:19 |
| 2015-05-10 | UFC Fight Night: Miocic vs. Hunt | Middleweight | Sam Alvey def. Dan Kelly | TKO (punches) | 1 | 0:49 |
| 2015-02-22 | UFC Fight Night: Bigfoot vs. Mir | Middleweight | Sam Alvey def. Cezar Ferreira | KO (punches) | 1 | 3:34 |
| 2014-11-08 | UFC Fight Night: Rockhold vs. Bisping | Middleweight | Sam Alvey def. Dylan Andrews | KO (punches) | 1 | 2:16 |
| 2014-08-16 | UFC Fight Night: Bader vs. Saint Preux | Middleweight | Tom Watson def. Sam Alvey | Decision (unanimous) (29–28, 29–28, 29–28) | 3 | 5:00 |